Foordus stefani, Azarkina, 2024

Azarkina, Galina N., 2024, Foordus gen. nov., a new genus of euophryine jumping spider from South Africa (Salticidae, Araneae), African Invertebrates 65 (2), pp. 75-83 : 75-83

Foordus stefani sp. nov.

Figs 1–9 , 10–17 , 18

Type material.

Holotype. South Africa • ♂; KwaZulu-Natal Province; Hluhluwe Imfolozi Game Reserve ; 28.0833 ° S, 32.0667 ° E; 18 Nov. 1992; S. Endrödy-Younga leg.; TMSA 25041 .

Paratypes. South Africa • 2 ♂; same with Holotype; TMSA 22228 • 1 ♂; same; TMSA 22218 • 1 ♂ 1 ♀; same; TMSA 22209 • 2 ♂; same but 18 Nov. 1992; TMSA 22240 • 1 ♂; same; ISEA 001.9106 • 1 ♂; same; NCA 2024/18 • 1 ♂; same; MMUE G 7709.1 • 1 ♂; same; SMF • 1 ♂; same; ZISP ARA_ARA_0000822 .

Diagnosis.

Same with generic.

Description.

Male. Total length 2.05. Carapace 1.05 long, 0.78 wide. Abdomen 1.00 long, 0.65 wide. Ocular area 0.45 long, 0.70 wide anteriorly, 0.70 wide posteriorly. Cheliceral length 0.35. Clypeal height 0.05. Height at PLE 0.45. Diameter of AME 0.25. Length of leg segments: I 0.55 + 0.35 + 0.40 + 0.30 + 0.25 (1.85). II 0.45 + 0.30 + 0.28 + 0.20 + 0.25 (1.48). III 0.45 + 0.25 + 0.30 + 0.30 + 0.25 (1.55). IV 0.55 + 0.30 + 0.35 + 0.35 + 0.30 (1.85). Leg setation: I: Fm d 0-1 - 1, Ti v-pr 0-1 - 1 ap, v-rt 1-1 - 1 ap, Mt v 2-2 ap. II: Fm d 0-1 - 1, Ti v-pr 1-1 - 0, Mt v 2-2 ap. III: Fm d 0-1 - 1, pr & rt 0-1 - 0, v-pr 0-1 - 1 ap, Mt pr & rt 0-1 ap, v 0-2 ap. IV: Fm d 0-1 - 1, Ti v-pr 0-0 - 1 ap, Mt pr 0-0 - 1, v 0-2 ap. Colouration (in alcohol, Figs 10–13 ). Carapace brown, with dark brown eye field and dark brown rings around eyes. Clypeus brown. Chelicerae light-brown, pale apically. Sternum yellow-brown. Abdomen with dark brown shiny scutum that covers the entire abdomen dorsally. Venter brown. Book lung covers yellow-brown. Spinnerets brown posteriorly, yellow anteriorly. All legs yellow. Femora of all legs dark brown pro- and retrolaterally, remaining dark brown distally. Palps dark brown, cymbium yellow, covered with short white setae. Male palps as in Figs 1–6 : similar to generic description.

Female. Total length 2.10. Carapace 1.10 long, 0.75 wide. Abdomen 1.30 long, 0.85 wide. Ocular area 0.45 long, 0.75 wide anteriorly, 0.73 wide posteriorly. Cheliceral length 0.30. Clypeal height 0.05. Height at PLE 0.40. Diameter of AME 0.25. Length of leg segments: I 0.55 + 0.30 + 0.35 + 0.25 + 0.25 (1.70). II 0.45 + 0.25 + 0.25 + 0.20 + 0.25 (1.40). III 0.45 + 0.25 + 0.25 + 0.30 + 0.25 (1.50). IV 0.55 + 0.25 + 0.40 + 0.35 + 0.30 (1.85). Leg setation: I: Ti v-pr 0-1 - 1 ap, v-rt 1-1 - 1 ap, Mt v 2-2 ap. II: Ti v-pr 1-1 - 0, Mt v 2-2 ap. III: Ti pr & rt 0-1 - 0, v-pr 0-0 - 1 ap, Mt pr & rt 0-1 ap, v 0-2 ap. IV: Ti rt 0-1 - 0, v-pr 0-0 - 1 ap, Mt rl 0-0 - 1, v-pr 0-1 ap. Colouration (in alcohol, Figs 14–17 ). Carapace brown, with dark brown eye field and black rings around eyes. Thoracic part with yellow-brown longitudinal band medially. Clypeus brown. Chelicerae yellow-brown. Sternum brownish-yellow. Labium and endites brownish-yellow, pale apically. Abdomen grey-brown dorsally, with two thin yellow longitudinal bands medially. Venter pale-yellow. Spinnerets and book-lung covers pale yellow. All legs and palps dark yellow, tinged with brown. Epigyne and vulva as in Figs 7–9 , similar to generic description.

Etymology.

The new species is named after the South African arachnologist, the late Prof. Stefan Hendrik Foord, for his contribution to African arachnology.

Figures

Figure 18. Distribution of the genus Foordus gen. nov.

Figures 1–9. Foordus stefani gen. and sp. nov.: Male holotype (1–6) and female paratype (7–9) 1 male palp, prolateral 2 same, ventral 3 same, retrolateral 4 expanded male palp, ventral 5 same, ventro-basal 6 same, apical 7 epigyne, ventral 8 epigyne, dorsal 9 Diagrammatic course of the insemination ducts. Scale bars: 0.1 mm.

Figures 10–17. Foordus stefani gen. and sp. nov.: Male holotype (10–13) and female paratype (14–17) 10 male habitus, dorsal 11 same, ventral 12 same, same, lateral 13 same, frontal 14 female habitus, frontal 15 same, dorsal 16 same, ventral 17 same, lateral. Scale bars: 0.5 mm.